Finding the Fourth Proportional to 21,475.89, 29,636.69 and 12,044.37

Step by Step Solution

1. Step 1: Write the proportion equation
   21,475.89 : 29,636.69 = 12,044.37 : x
2. Step 2: Convert to fraction form
   21,475.89/29,636.69 = 12,044.37/x
3. Step 3: Cross multiply
   21,475.89x = 29,636.69 × 12,044.37
4. Step 4: Simplify right side
   21,475.89x = 356,955,259.94
5. Step 5: Solve for x
   x = 356,955,259.94/21,475.89
6. Step 6: Final answer
   x = 16,621.21